They used to study at the same school. Sveta was a straight-A beauty, while Serhii Mamaev was an obscure boy with troubles in his studies. There is nothing unusual in this story: he was extremely in love with her but she just ignored him - Twenty years later, no one dares now to call Mamayev with the casual nickname «shadow man» as they used to do at school. Sergei is an owner of a large business, he is single, many girls are around him, his daughter Anna, born out of the marriage, is 17 years old. But Svetlana lives a very simple life. She is a teacher of tango, she is happy in her marriage and has two children - Yegor of 17 and Vita of 15. Sergei randomly meets Svetlana and tries to win her heart again. Alas, she still does not care for his feelings. However this time, Sergei isn't giving up. All the time he loved Svetlana throughout all these years and has achieved success to prove that he deserves her love. She is the only woman in the world he needs - Sergei's insane desire to win Svetlana triggers a chain of tragic events in the epicenter of which is young Anya and Yegor, who met and fell in love with each other without realizing who their parents are.